Home / 811,190,617,384.60-1,216,785,926,076.90-776,797,456,475.80

Finding the Fourth Proportional to 811,190,617,384.60, 1,216,785,926,076.90 and 776,797,456,475.80

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Solution

The fourth proportional to 811,190,617,384.60, 1,216,785,926,076.90 and 776,797,456,475.80 is: 1,165,196,184,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,190,617,384.60 : 1,216,785,926,076.90 = 776,797,456,475.80 : x
  2. Step 2: Convert to fraction form
    811,190,617,384.60/1,216,785,926,076.90 = 776,797,456,475.80/x
  3. Step 3: Cross multiply
    811,190,617,384.60x = 1,216,785,926,076.90 × 776,797,456,475.80
  4. Step 4: Simplify right side
    811,190,617,384.60x = 945,196,212,452,086,754,836,480
  5. Step 5: Solve for x
    x = 945,196,212,452,086,754,836,480/811,190,617,384.60
  6. Step 6: Final answer
    x = 1,165,196,184,713.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.